The Erdős discrepancy problem fascinated me because it was so simple to state yet so deep in its implications.
Cognitive biases are not just errors in judgment; they are windows into how our minds work.
数学证明的美在于它的优雅以及它以清晰简洁的方式揭示潜在真理的方式。
The future of drones lies in deep cultivation in vertical fields.